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Mathematics
Mathematics
Problem
If
1
+
α
1
−
α
,
1
+
β
1
−
β
,
1
+
γ
1
−
γ
\frac{1+\alpha}{1-\alpha}, \frac{1+\beta}{1-\beta}, \frac{1+\gamma}{1-\gamma}
1
−
α
1
+
α
,
1
−
β
1
+
β
,
1
−
γ
1
+
γ
are roots of the cubic equation
f
(
x
)
=
0
f(x) = 0
f
(
x
)
=
0
where
α
,
β
,
γ
\alpha, \beta, \gamma
α
,
β
,
γ
are the roots of the cubic equation
3
x
3
−
2
x
+
5
=
0
3x^3 - 2x + 5 = 0
3
x
3
−
2
x
+
5
=
0
, then the number of negative real roots of the equation
f
(
x
)
=
0
f(x) = 0
f
(
x
)
=
0
is: (a) 0 (b) 1 (c) 2 (d) 3
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